Proceedings of the 6th International Conference on Electrical Engineering and Information Technologies for Rail Transportation (EITRT) 2023: Energy ... Notes in Electrical Engineering, 1135)

Contents
Wide-Band Harmonic Interaction and Characteristic Analysis of FCTPSS
	1 Introduction
	2 Topological Structure and Theoretical Analysis of Harmonic Characteristics of FCTPSS
		2.1 Topology of FCTPSS
		2.2 Theoretical Analysis of Harmonic Transmission in FCTPSS
	3 Simulation Model of FCTPSS
		3.1 Simulation Model of Traction Network
		3.2 Simulation Model of RES and HESS
		3.3 Simulation Model of Locomotive Load
	4 Simulation Verification and Analysis
	5 Conclusions
	References
An Energy Management Strategy for Traction Substation with ESS Based on Reinforcement Learning
	1 Introduction
	2 RL-Based Energy Management Strategy Framework
		2.1 System Basic Constraints and Objective Functions
		2.2 A Reinforcement Learning Framework for Energy Management Processes
		2.3 Off-Line Training and Online Update Process
	3 Case Study
	4 Conclusion
	References
A Global Optimized Energy Management Strategy for Reducing Fuel Consumption in Diesel-Electric Hybrid Power Supply System
	1 Introduction
	2 HPSS for Railway Vehicles
	3 Energy Management Strategy for HPSS
		3.1 Logic Rule-Based Strategy
		3.2 Logic Rule-Based Strategy
	4 Results
	References
A Dynamic Tuning Method of Wireless Power Transfer System Based on Phase-Controlled Inductor Circuit
	1 Introduction
	2 Dynamic Tuning Method at the Receiver Side
		2.1 Analysis of the Principle of Phase-Controlled Inductor Circuit
		2.2 Control Strategy
	3 Experiment
	4 Conclusion
	References
Energy-Efficient Train Control Incorporating Realistic Traction Characteristics Using Convex Optimization
	1 Introduction
	2 Problem Formulation
		2.1 Energy-Efficient Train Control Model
		2.2 Traction/Braking Characteristics
		2.3 Relaxations and Convexification
	3 Numerical Experiments
	4 Conclusion
	References
Design and Modeling of Subway Train Traction System Based on MBSE
	1 Introduction
	2 Business Layer Modeling
		2.1 Stakeholder Analysis
		2.2 Demand Analysis
		2.3 Use Case Analysis
	3 Functional Layer Modeling
	4 Architecture Layer Modeling
	5 Physical Layer Modeling
	6 Trace Matrix
	7 Concluding Remarks
	References
Research on Electromagnetic Characteristics of Linear Synchronous Motor of Superconducting High-Speed Maglev Train
	1 Introduction
	2 Modeling of Linear Motors for Superconducting Magnetic Levitation Trains and Study of Electromagnetic Force Characteristics
		2.1 Finite Element Modeling of Linear Motors for Superconducting Magnetic Levitation Trains
		2.2 Analysis of Armature Magnetic Field Characteristics of Superconducting Linear Synchronous Motor
		2.3 Analysis of Traction Characteristics of Linear Motors for Superconducting Maglev Trains
	3 Analysis of Vertical and Lateral Forces in Linear Synchronous Motors of Superconducting Maglev Trains
	4 Conclusion
	References
NSGA-II Genetic Algorithm Based Optimization of Parameters of Multiphase Interleaving Buck/Boost DC-DC Converter
	1 Introduction
	2 Multi-phase Interleaving Buck/Boost Circuit
		2.1 Structure of Buck/Boost Circuit
		2.2 Optimization Objectives and Constraints
	3 Multi-objective Optimization and Decision Process
		3.1 Multi-objective Optimization of NSGA-II Algorithm
		3.2 Parameter Setting
		3.3 Optimization Results
	4 Conclusion
	References
Research on Optimal Power Flow Control Strategy for Urban Rail Flexible Traction Power Supply System
	1 Introduction
	2 Flexible Traction Power Supply System
		2.1 The Concept of Flexibility
		2.2 Mode of Operation
	3 Flexible Control Strategy
		3.1 Steady-State Model
		3.2 First Layer Control
		3.3 Second Layer Control
	4 Simulation Verification
	5 Conclusion
	References
Research on Harmonic Noise Characteristics of Train Four-Quadrant Converter Using SiC Devices
	1 Introduction
	2 Analysis of Harmonic Noise Characteristics of 4QC
		2.1 Harmonic Characteristics on the Grid Side
		2.2 CM EMI Characteristics
	3 Analysis of Harmonic Noise Characteristics of 4QC
		3.1 Operating Frequency Range of 4QC
		3.2 Impact of Switching Frequency on Grid Side Harmonics
		3.3 CM EMI Characteristics
		3.4 Optimal Switching Frequency Selection Method
	4 Experimental Research
	5 Conclusion
	References
Research on the Common Mode EMI Suppression Method for SiC Traction Converters
	1 Introduction
	2 CM EMI Equivalent Circuit Modeling of Traction Converter
		2.1 CM EMI Conduction Path
		2.2 Common Mode EMI Equivalent Circuit
		2.3 CM Voltage Spectrum and CM Current Spectrum
	3 CM Suppression Method Based on Nanocrystalline Chokes
		3.1 Nanocrystalline Choke
		3.2 Design Method for CM Chokes Parameters
	4 Experimental Research
	5 Conclusion
	References
Inductor Current Ripple Modeling and Mitigation Method of Cascaded Half-Bridge DC/DC Converter Under Unbalanced Conditions
	1 Introduction
	2 Current Ripple Analysis of CHDC Converter Using PSC-PWM
		2.1 Description of CHDC
		2.2 Ripple Analysis Under Balanced Condition
		2.3 Ripple Model in Frequency-Domain Under Balanced Condition
	3 Current Ripple Suppressing Strategy Based on Variable Angle PSC
	4 Simulation Results
	5 Conclusion
	References
Weak Magnetic Control of Automotive Permanent Magnet Synchronous Motor Based on Sliding Mode Control
	1 Introduction
	2 Mathematical Model of PMSM
	3 PMSM Control System
	4 Design of SMC
		4.1 Speed Ring Design
		4.2 Current Loop Design
	5 Simulation Results and Analysis
	6 Concluding Remarks
	References
Fuzzy Sliding Mode Control of DC/DC Converter for Hydrogen Vehicles
	1 Introduction
	2 Model Building
	3 Algorithm Optimization
	4 Simulation and Optimization
	5 Conclusion
	References
Research on Observer-Based Vector Control Strategy for Battery Vehicle Drive System
	1 Development Status of Hydrogen Fuel Cell Vehicles at Home and Abroad
	2 Mathematical Model of Permanent Magnet Synchronous Motor
		2.1 Modeling of Three-Phase Rest Coordinate System
		2.2 Mathematical Model of Two Phase Synchronous Rotating Coordinate System
	3 Observer Based Vector Control Strategy Principle
		3.1 Maximum Torque Current Ratio Strategy (MTPA)
		3.2 Observer Principle
	4 Simulation Test of Hydrogen Fuel Cell Vehicle Drive Control System
		4.1 Simulation Model Construction
		4.2 Design of Simulation Test Plan
		4.3 Analysis of Simulation Results
	References
Simulation Study of Bidirectional DC/DC Converter for New Energy Vehicles Based on RBF Neural Variable Structure
	1 Introduction
	2 Mathematical Model of Bidirectional DC/DC Converter
	3 Controller Design for Bidirectional DC/DC Converter
		3.1 Design Scheme of Three-Phase Interleaved Parallel Bidirectional DC/DC Converter
		3.2 Variable Structure Controller Design Based on RBF Neural Network
	4 Simulation Results and Analysis
	5 Conclusion
	References
Rotor Position Estimation Method for PMSM Based on Improved Sliding Mode Observer
	1 Introduction
	2 Mathematical Model of SPMSM
	3 Design of an Improved SMO
		3.1 Design of Sliding Mode Current Observer
		3.2 Design of Back EMF Observer
	4 Experimental Validation and Results Comparison
	5 Conclusion
	References
Application Research of Photovoltaic Power Generation Technology in Railway System
	1 Introduction
	2 Feasibility of Constructing Distributed Photovoltaic Power Generation Facilities on the Side Slopes of Railway Tracks and Railway Tunnels
	3 Selection of Major Equipment for Photovoltaic Power Generation
		3.1 Selection of Solar Photovoltaic Support Foundation
		3.2 Comparison of Photovoltaic Support Forms
		3.3 Selection of Solar Photovoltaic Cells
		3.4 Inverter Selection
	4 Storage System
		4.1 Configuration Method of Energy Storage Systems
		4.2 Selection of Batteries for Energy Storage Systems
		4.3 Energy Storage Inverter
	5 Photovoltaic Energy Storage Comprehensive Energy Management Platform
		5.1 Operation Monitoring Function
		5.2 Warning Management Function
		5.3 Other Functions
	6 Conclusion
	References
Improvement on Command Current Extraction of Railway Static Power Conditioner
	1 Introduction
	2 Compensation Structure and Control Strategy of V/v Traction Power Supply System
		2.1 Topology of RPC
		2.2 Control Strategy of RPC
	3 Improved Instruction Signal Detection Method
	4 Instruction Current Extraction Simulation
	5 Conclusion
	References
Research on High Frequency Current Measurement Method for the SiC MOSFET
	1 Introduction
	2 Double Pulse Test
	3 The Frequency Calculation of Drain Current
	4 The SiC MOSFET Dynamic Characteristic Test Platform
	5 The SiC MOSFET Current Measurement Method
		5.1 Coaxial Resistance
		5.2 Clamp Current Probe
		5.3 Pearson Coil
		5.4 Rogowski Coil
		5.5 Summary
	6 Conclusion
	References
Bandwidth Compensation Method for Rogowski Coil for the SIC MOSFET
	1 Introduction
	2 Deconvolution Theory Analysis
		2.1 Frequency Domain Representation of Deconvolution
		2.2 Pathological Solutions to Deconvolution
	3 Bandwidth Error Correction Curve
	4 Bandwidth Compensation Method for Rogowski Coil
	5 Experimental Verification
		5.1 Acquisition of Bandwidth Error Correction Curve
		5.2 Double Pulse Test Results and Analysis
	6 Conclusion
	References
An Interleaved Control Strategy for Input-Series Output-Parallel System with Three-Level Boost Converter+Full-Bridge LLC Converter
	1 Introduction
	2 Operation Principle
		2.1 Proposed ISOP Topology
		2.2 Three-Level Boost Working Principle
		2.3 Full-Bridge LLC Working Principle
	3 Operation Principle of the Proposed Control Strategy
		3.1 Principle of Three-Level Boost Control
		3.2 Principle of Full-Bridge Control
	4 Simulation Results of the Interleaved Control Strategy
	5 Conclusion
	References
Design and Simulation Analysis of Hybrid Pulse Width Modulation for Urban Rail Traction System
	1 Introduction
	2 Organization of the Text
		2.1 Analysis of SHEPWM Control Principle
		2.2 Hybrid PWM Switching and Basic Principles of Implementation
	3 Experimental Simulation Analysis
	4 Conclusion
	References
A Review of Hydrogen Fuel Cell Applications in Rail Transit
	1 Introduction
	2 Hydrogen Fuel Cell Train Working Principle
	3 Hydrogen Train Development Status at Home and Abroad
		3.1 Foreign Hydrogen Train Development Status
		3.2 Domestic Hydrogen Train Development Status
	4 Development Trend of Hydrogen Fuel Cell Trains
		4.1 Advantages of Hydrogen Fuel Cell Trains
		4.2 Bottlenecks in the Development of Hydrogen Fuel Cell Trains
		4.3 Market Prospects for Hydrogen Fuel Cell Trains
	5 Conclusion
	References
Power Integration and Energy Management Strategy of CJ5 Hybrid EMU
	1 Introduction
	2 Introduction of CJ5 Hybrid EMU
	3 Hybrid EMU Operating Indicators
	4 Rule-Based Control Strategy for Energy Management of Hybrid Electric Multiple Units
		4.1 Charge and Discharge Control of Power Batteries Based on Droop Characteristics
		4.2 Control Strategy Simulation Verification
	5 Conclusion
	References
Design and Application of Complex Vector Current Controller for IM Based on Ripple-Free Minimum Beat System
	1 Introduction
	2 Discrete Mathematical Model of IM
	3 Discrete Model of IM Considering Digital Control Delay
	4 Controller Design of IM Discrete System
		4.1 Design Principle of Ripple-Free Minimum Beat System
		4.2 Design of Ripple-Free Minimum Beat System
	5 Matlab/Simulink Simulation and Test Results
		5.1 Matlab/Simulink Simulation Experiment Results
		5.2 Combined Test Results
	6 Conclusions
	References
Design and Analysis of Energy Storage Converters for Regenerative Braking Energy Absorption in Urban Rail Transit
	1 Introduction
	2 Design and Analysis of Bidirectional DC/DC Energy Storage Converters
		2.1 Working Principles and Characteristic Analysis of Single-Phase Three-Level DC/DC Converter with Flying-Across Capacitor
		2.2 The Implementation of Interleaved Parallel Operation of Three-Phase Three-Level DC/DC Converter with Flying-Across Capacitor
	3 Simulation Analysis of Urban Rail Wayside Energy Storage System
		3.1 Simulation of the Characteristics of a Three-Phase Interleaved Parallel Fly-Across Capacitor DC/DC Converter
		3.2 Simulation Analysis of WESS for Urban Rail Transit
	4 Conclusion
	References
Network-Side Power Optimization Control Considering Photovoltaic and Energy Storage Connection to RPC-Type Traction Power Supply System
	1 Introduction
	2 Modeling of “Optical-Storage-Locomotive-Network” System
		2.1 Modeling of Optical-Storage Subsystem
		2.2 Modeling of RPC Subsystem
	3 System Optimization Control Scheme
		3.1 Cooperative Control and Four Working Conditions
		3.2 Control of RPC Converter
		3.3 DC/DC Control of Optical-Storage Energy System
	4 Test and Analysis
	5 Conclusion
	References
Development of Double Suspension Frame Electromagnetic Permanent Magnet Hybrid Maglev Controller
	1 Introduction
		1.1 A Subsection Sample
	2 Model of Maglev System
	3 Main Circuit Design
		3.1 Model of Main Circuit
		3.2 Model of Main Circuit
		3.3 Technical Parameters of the Main Circuit
	4 Design of Switching Power Supply
		4.1 Port Definition
		4.2 The Principle of Power Conversion
	5 Design of IGBT Driver Board
	6 Design of Control Circuits
		6.1 Functional Topology
		6.2 Control Program Algorithms
	7 Design of Hovering Controller
		7.1 Functional Topology
		7.2 Mechanical Parameters
	8 Design of Hovering Controller
		8.1 Sensor Test
		8.2 Rated Load Test
		8.3 Inrush Current Test
	9 Conclusion
	References
Current Control Calculation and Simulation Analysis of Urban Railway Traction System
	1 Introduction
	2 Organization of the Text
		2.1 Analysis of MTPA Control Principle
		2.2 Analysis of the Principle of Negative Direct Axis Compensation Field Weakening Control
		2.3 Analysis of MTPV Control Principle
	3 Experimental Simulation Analysis
	4 Conclusion
	References
Research on Wireless Power Transfer Systems Based on Semiactive Rectifier
	1 Introduction
	2 System Structure and Theoretical Analysis
		2.1 System Structure
		2.2 Analysis of Dual-Side LCC Compensation Topology
	3 Control Method of SAR
		3.1 Phase Shift Control
		3.2 Synchronous Phase Control
		3.3 Duty Cycle Control
	4 Simulation Analysis
	5 Conclusion
	References
Resolver-To-Digital Conversion and Sensor Fault Identification of PMSM
	1 Introduction
	2 Resolver Decoding Method
	3 Sensor Fault Identification
	4 Conclusion
	References
Modeling and Control of Long-Stator Linear Synchronous Motors for High-Speed Maglev
	1 Introduction
	2 High-Speed Magnetic Levitation Traction Control Model
		2.1 LSLSM Mathematical Model
		2.2 LSLSM Vector Control
	3 NPC Three-Level Topology and SVPWM Modulation
		3.1 Three-Level Inverter Topology
		3.2 Modulation Algorithm
	4 Simulation Verification
	5 Conclusion
	References
Design and Research of Variable Frequency Direct Feed Power Supply for Urban Rail Transit
	1 Introduction
	2 Topology Design of Variable Frequency Direct Feed Power Supply
	3 Working Principle Analysis and Control Scheme Research
		3.1 Operation Mode Analysis of Three-Level Buck
		3.2 Characteristics of fsw and Tdt
		3.3 Control Scheme Research
	4 Simulation Analysis
	5 Conclusion
	References
Research on Power Calculation Method for Auxiliary Converters of Multiple Unit
	1 Introduction
	2 Structure of Auxiliary Converter of Multiple Unit
	3 Auxiliary Converter Power Calculation
		3.1 Power Conversion Calculation
		3.2 Capacitor Reactive Power Compensation
	4 Unbalanced Load Response
		4.1 Second-Order Generalized Integrator
		4.2 Positive Sequence Component Extraction
	5 Simulation Analysis and Experimental Verification
		5.1 Simulation Analysis
		5.2 Experimentation
	6 Conclusion
	References
Demagnetization Characteristics Diagnosis of Permanent Magnet Synchronous Motors
	1 Introduction
		1.1 Analysis of Demagnetization Mechanism
	2 Algebraic Identification Method
		2.1 Magnetic Flux Identification Based on Algebraic Method
		2.2 Simulation Verification
	3 Magnetic Flux Estimation Method Based on Voltage Model
		3.1 Estimation Strategy Based on Voltage Model
		3.2 Simulation Verification
	4 Effective Magnetic Flux Sliding Mode Observer
		4.1 Design of Sliding Mode Observer for Effective Magnetic Flux Linkage
		4.2 Simulation Verification
	5 Conclusion
	References
Full Speed Range Field Oriented Control Method for PMSM
	1 PMSM Operating Limits
	2 Flux-Weakening Control Strategy
		2.1 Optimal Running Trajectory in Full Speed Range
		2.2 Negative Direct Axis Compensation
		2.3 Simulation Model Building
	3 Simulation Results
	4 Conclusion
	References
Multi-device Collaborative Anomaly Diagnosis Method for Electric Mining Dump Trucks
	1 Introduction
	2 Proposed Methodology
		2.1 System Architecture
		2.2 Data Preprocessing
		2.3 Diagnostic Model
		2.4 Multi-device Collaborative Optimization
	3 Experimental Evaluation
	4 Conclusion
	References
A New DC Auxiliary Power Supply System Architecture Designed for Electric Multiple Units
	1 Introduction
	2 DC Auxiliary Power Supply System Busbar Form Selection
		2.1 Main Power (Medium Voltage) Busbar Form Selection
		2.2 Lighting/Control (Low-Voltage) Busbar Form Selection
		2.3 Selection of Segmentation/Expansion Methods for DC Auxiliary Power Supply Systems for Rolling Stock
	3 DC Auxiliary Power Supply System Bus Voltage Level Selection
		3.1 Voltage Levels and Standards of Existing Low- and Medium-Voltage DC Busbars
		3.2 Existing Power Supply Cables, Circuit Breakers, and Other Distribution Equipment Standards
		3.3 Main Power (Medium Voltage) Bus Voltage Level Selection
		3.4 Lighting/control (Low-Voltage) Busbar Voltage Level Selection
	4 Conclusion
	References
Topology Design of High-Frequency DC Auxiliary Converter for Electric Multiple Units
	1 Introduction
	2 DC Auxiliary Power Supply System
	3 DC Converter Topology Design
		3.1 Chopper Regulator
		3.2 High-Frequency Isolation Circuit
		3.3 Output Circuit
		3.4 Number of Cascades
	4 Conclusion
	References
Residual Energy Estimation of Battery Packs for Energy Storage Based on Working Condition Prediction and the Representative Cell
	1 Introduction
	2 Definition of Residual Energy and the Factors Affecting It
	3 Estimation of Remaining Battery Energy Based on Working Condition Prediction
		3.1 Markov Chain-Based Prediction of Battery Operating Conditions
		3.2 Residual Energy Estimation of Battery
	4 Estimation of Residual Energy in Energy Storage Battery Packs Based on the Representative Cell
	5 Conclusion
	References
Research on the Design Scheme of Routine Conductive High-Speed Maglev Integrated Grounding System
	1 Introduction
	2 Analysis of the Main Components and Grounding Requirements of High-Speed Maglev Transportation Facilities
		2.1 Line Facilities
		2.2 Propulsion and Power Supply Facilities
		2.3 Operation Control Facilities
		2.4 Vehicles
	3 Design Scheme for Integrated Grounding of High-Speed Maglev Systems
		3.1 Grounding Scheme for Line Facilities
		3.2 Grounding Scheme for Propulsion and Power Supply Facilities
		3.3 Grounding Scheme for Operation Control System Facilities
		3.4 Grounding Scheme for Maglev Vehicles
	4 Conclusion and Recommendations
	References
Design and Research of Propulsion Substation for High-Speed Maglev Railway
	1 Introduction
	2 Overview of Propulsion and Power Supply System for High-Speed Maglev Test Line
	3 Design Proposal for Propulsion Substation
		3.1 Main Circuit Diagram
	4 General Layout
		4.1 Propulsion Control System
		4.2 Interface Design
	5 Conclusions
	References
Design of IGBT Drive and Protection Based on M57962AL
	1 Introduction
	2 Working Principle of M57962AL
	3 Driver Circuit Design
	4 Short Circuit Protection Design
		4.1 Short Circuit Protection Mechanism
		4.2 Short Circuit Protection Circuit
	5 Conclusion
	References
Speed Balance Control of the Dual-Motor System Based on Three-Vector Model Prediction
	1 Introduction
	2 Model Predictive Current Control Strategy for SPMSM
		2.1 Model Predictive Current Control (MPCC)
	3 The Dual-Motor Control System
	4 Simulation and Result Analysis
	5 Conclusion
	References
Initial Rotor Position Detection Based on Peak Dc-Link Current Comparison for SPMSM
	1 Introduction
	2 Detect Initial Rotor Position Bases on Peak Dc-Link Current Comparison
		2.1 Line Inductances Vary Against Rotor Position
		2.2 Initial Rotor Position Detection by Peak Dc-Link Current Comparison
	3 Proposed Method to Detect Initial Rotor Position
	4 Experiment Validation
		4.1 Experiment Platform
		4.2 Initial Rotor Position Detection
	5 Conclusion
	References
Research on Electromagnetic Force Characteristics Based on Asymmetric 120° Pitch Figure-8 Coils in EDS System for Maglev Train
	1 Introduction
	2 Analytical Model of EDS System
	3 Electromagnetic Force Characteristics
		3.1 Effect of K on the Characteristics Levitation System
		3.2 Relationship Between the Z and K
	4 Model Validation
	5 Conclusion
	References
Performance Evaluation on Levitation Control System of High-Speed Maglev Train
	1 Introduction
	2 Nominal Performance of the Levitation Control System
	3 Performance Evaluation Method of Levitation Control System Under Dynamic Operating Conditions
		3.1 Deficiencies in Using Nominal Performance Index
		3.2 Performance Evaluation of Levitation Control System Under Dynamic Operating Conditions
	4 Performance Analysis of Levitation System Under Non-Deterministic Disturbance
	5 Conclusion
	References
Design of a Three-Level APF Controller Based on Dual DSP
	1 Introduction
	2 Controller Design
		2.1 Main Processor Module Design
		2.2 Signal Conditioning Circuit
		2.3 AD Sampling Module Design
		2.4 Design of PWM Level Conversion Module
		2.5 Communication Module Design
		2.6 Power Supply Design
	3 Experimentation
	4 Conclusion
	References
Study on Dynamic Characteristics and Electromagnetic Thrust of Unilateral Linear Induction Motor for Maglev Train
	1 Introduction
	2 Structure and Working Principle of Unilateral Linear Induction Motor for Maglev Train
	3 Electromagnetic Model and Characteristic Analysis of Unilateral Linear Induction Motor for Maglev Train
	4 Finite Element Model and Characteristic Analysis of Unilateral Linear Induction Motor for Maglev Train
		4.1 Finite Element Analysis Model of Unilateral Linear Induction Motor
		4.2 Analysis of Dynamic Characteristic of Unilateral Linear Induction Motor
	5 Application of Parametric Processing of Unilateral Linear Induction Motor for Maglev Train in Structural Optimization
		5.1 Structure Optimization of Unilateral Linear Induction Motor for Maglev Train
		5.2 Influence of Secondary Plate Thickness Parameterization of Unilateral Linear Induction Motor for Maglev Train on Motor Structure and Performance
	6 Conclusion
	References
Research on Magnetic Levitation Bearing Three-Level Switching Power Amplifier
	1 Preface
	2 Amplifier Main Circuit Topology Working Principle
	3 New Control Structure Fundamentals
		3.1 Direction and Error Signal Generation Circuit
		3.2 Digital Logic Circuits
	4 Simulation Results
	5 Conclusion
	References
Research on Damping System of High Speed Superconducting Maglev Train
	1 Introduction
	2 MLX01 Train Key Components and Working Principle
	3 Working Principle of PWM Rectifier
	4 Analytical Calculation of Set Electromagnetic Field
	5 Analytical Calculation of Damping Force
	6 Conclusion
	References
A High and Low Voltage DC Distribution System for Special Vehicles
	1 Introduction
	2 Research Status
		2.1 Research Status
		2.2 Development Needs
	3 System Composition and Working Principle
	4 Power Distribution System Design
		4.1 Management (Core Processor)
		4.2 Control Layer
		4.3 Low-Voltage Secondary Power Distribution and Protection Module
		4.4 High Voltage Secondary Power Distribution and Protection Module
		4.5 System Integration Design
	5 Function Test
		5.1 Real Vehicle Test
		5.2 Test Conclusion
	6 Summary
	References
IGBT Open-Circuit Fault Diagnosis for MMC Based on OCDWPT
	1 Introduction
	2 Analysis of IGBT Open Circuit Fault
	3 Methodology
		3.1 Signal Processing Based on OCDWPT
		3.2 Establishment of Diagnosis Model Based on DNN
	4 Simulation Verification
	5 Conclusion
	References
Sensorless Control with Sliding-Mode Observer for Superconducting Linear Motors
	1 Introduction
	2 Sliding-Mode Observer
	3 Sensorless Control Strategy
	4 Simulation Results
	5 Conclusion
	References
Review on Energy Management Strategies of On-Board Hybrid Energy Storage Systems for Urban Rail Vehicles
	1 Introduction
	2 On-Board Hybrid Energy Storage System
		2.1 Energy Storage Technologies and On-Board HESS
		2.2 Topologies of HESS
		2.3 The Domestic and International Research Application
	3 Energy Management Strategy
		3.1 Rule-Based Energy Management Strategy
		3.2 Optimization-Based Energy Management Strategy
		3.3 Intelligent Algorithm-Based Energy Management Strategy
		3.4 Other Energy Management Strategies
	4 Conclusions
	References
Energy-Efficient Train Control Based on Improved Dynamic Programming Algorithm for Online Applications
	1 Introduction
	2 EETC Model
		2.1 Train Dynamics Model
		2.2 Motor Traction/Braking Characteristics
		2.3 Model Discretization
	3 DP Process
		3.1 Objective Function
		3.2 DP Status
		3.3 State Transition
		3.4 Optimal Substructure and Backward Solving
	4 Numerical Experiments
		4.1 MTTC and EETC
		4.2 Algorithm Self-adaptability
		4.3 Reduction of State Space
	5 Conclusion
	References
Long Distance Two Terminal Power Supply Simulation Technology Based on RTLAB Hardware-in-The-Loop Simulation Platform
	1 Introduction
	2 Architecture and Energy Distribution Strategy of Long Distance Two Terminal Power Supply System
	3 Composition of RTLAB Hardware-in-The-Loop Simulation Platform
	4 System Simulation
	5 Conclusion
	References
Research on Maglev Pipeline Trains Speed and Positioning Based on Improved Kalman Filtering Algorithm
	1 Introduction
	2 State-Space Model
	3 Method for Speed and Position Estimation System
		3.1 Kalman Filter
		3.2 Adaptive Kalman Filtering Algorithm with Novel Approach
	4 Simulation Verification
		4.1 Simulation Parameter Configuration
		4.2 Simulation Results and Analysis
	5 Conclusion
	References
Dynamic Trajectory Planning Method on ARM Platform for the Vacuum Pipelines High-Speed Maglev Train
	1 Introduction
	2 Train Operation Model
	3 Trajectory Planning Method
		3.1 Division of Speed Limit Intervals
		3.2 Reverse Solution of Interval Maximum Limited Speed
		3.3 Forward Calculation Verification
		3.4 Generate Trajectory Curve Sequence
	4 Simulation Test
		4.1 Test Parameters
		4.2 Test Results
	5 Conclusion
	References
The Top-Level Scheme Analysis of Medium Speed Maglev Operation Control System
	1 Introduction
	2 Maglev Traffic System Problem Analysis
		2.1 Key System Analysis
		2.2 Functional Constraint Analysis
		2.3 Data Transmission Flow and Control Process Analysis
		2.4 Parameters Related to Maglev Transportation System
	3 Aarchitecture of the Operation Control System
		3.1 Top-Level Architecture
		3.2 Division of Operation Control Area
		3.3 Functional Requirement Analysis
	4 Closing Remarks
	References
Research on Key Technologies of Hydrogen Energy Powered Commuter Trains
	1 Introduction
	2 Hydrogen Energy Power of Urban Train Vehicle Integration Technology
		2.1 Overall Technical Parameters
		2.2 High Voltage Main Circuit and Principle
		2.3 Train Traction Calculation and System Configuration Analysis
	3 Energy Management and Control Technology of Hybrid Power Systems
	4 Conclusion
	References
Optimal Sizing of Hybrid Power System Based on Typical Driving Cycle of the Shunting Locomotive
	1 Introduction
	2 Hybrid Power System Modeling
		2.1 Hybrid Powertrain Topology
		2.2 Diesel Genset Fuel Consumption Model
		2.3 Power Battery Model
		2.4 Power Battery Life Model
	3 Shunting Locomotive Typical Working Condition Construction
		3.1 Data Processing for Actual Working Conditions
		3.2 Analysis of Working Condition Data
		3.3 Driving Condition Construction and Validation
	4 Hybrid Power System Capacity Allocation
		4.1 Convex Optimization Problem Processing
		4.2 Convex Optimized Capacity Allocation
		4.3 Analysis of Simulation Results
	5 Conclusion
	References
Application Research of New Contactless Power Supply System for Medium Speed Maglev Train
	1 Introduction
	2 Design of Contactless Power Supply System
		2.1 System Working Mechanism
		2.2 Arrangement of Contactless Power Supply System for Medium Speed Maglev
		2.3 Maglev System Power Supply Scheme
	3 Design Principle and Related Parameters
		3.1 High Frequency Inverter
		3.2 Electromagnetic Coupling Mechanism and Vehicle Rectification
	4 Typical Test and Experiment of System
		4.1 Ground Maximum Input Voltage Test
		4.2 Air Gap and Receiving Voltage Test
		4.3 Efficiency Test
	5 Conclusion
	References
An Enhanced Feedforward Compensation Speed Closed Loop Control Strategy for the Vacuum Pipelines High-Speed Maglev Train
	1 Introduction
	2 Train Dynamics Model
	3 Running Speed Closed-Loop Control Algorithm
		3.1 Function and Composition of Closed-Loop Control of Operating Speed
		3.2 Logic Explanation of Enhanced Feedforward Compensation Speed Closed-Loop Control Algorithm
	4 Simulation Test
		4.1 MATLAB Simulation Platform
		4.2 Test Parameters
		4.3 Test Results
		4.4 Robustness Verification Test of Control Algorithm
	5 Conclusion
	References
Study on Variable Frequency Power Supply Cable and Leakage Current Characteristics of High-Speed Maglev Train
	1 Introduction
	2 Power Supply Cable Leakage Current Characteristics
		2.1 XLPE Power Supply Cable
		2.2 Simulation Analysis of Leakage Current Characteristics
	3 Power Supply Cable Model
		3.1 Distribution Parameter Model of Power Supply Cable
		3.2 Power Supply Cable Model with Ground Branch
	4 Power Supply Cable Parameter Calculation and Model Comparison Verification
		4.1 Simulation Results of Power Supply Cable Parameters
		4.2 Comparison of Leakage Current Simulation Results
	5 Conclusion
	References
Superconducting Electrodynamic Suspension Traction Numerical Simulation
	1 Introduction
	2 Working Principle of Superconducting Electrodynamic Suspension Traction Drive System
	3 Superconducting Electrodynamic Suspension Traction Drive System Structure
		3.1 Converter Topology
		3.2 Power Supply Mode
		3.3 Step-Change Strategy
	4 Traction Calculation Model of Superconducting Electrodynamic Suspension Traction Drive System
		4.1 Kinematic Model of Train Operation Process
		4.2 Superconducting Synchronous Linear Motor Model
		4.3 Power Supply Network Model
	5 Numerical Simulation of Superconducting Electrodynamic Suspension Traction Drive System
		5.1 Input Parameters
		5.2 Step Calculation
		5.3 Numerical Simulation Results of Traction Drive Under Typical Working Conditions
	6 Conclusions
	References
A Low Switching Frequency Model Predictive Control for Surface-Mounted Permanent Magnet Synchronous Motor Without Weight Factor
	1 Introduction
	2 Improved Low Switching Frequency MPC
		2.1 Conventional MPC Strategy
		2.2 Design of Low Switching Frequency MPC
	3 Simulation Verification and Analysis
		3.1 Verification of Static Simulation
		3.2 Verification of Dynamic Simulation
	4 Conclusion
	References
Optimization Control of Energy Management for Diesel-Electric Hybrid Trains Based on MPC-PMP
	1 Introduction
	2 Hybrid Power System Model
		2.1 Hybrid Power System Structure
		2.2 Equivalent Circuit Model of Battery Pack
		2.3 Diesel Generator Fuel Consumption Model
	3 Speed Prediction Model Based on LSTM Neural Network
		3.1 Overview of Speed Prediction
		3.2 Speed Prediction Model Based on LSTM
	4 Online Energy Management Based on MPC-PMP
		4.1 Energy Management Optimization Problem Formulation
		4.2 Energy Management Based on PMP
		4.3 Online Energy Management Optimization Based on MPC-PMP
	5 Simulation Analysis
		5.1 Analysis of LSTM Speed Prediction Model Results
		5.2 Analysis of Online Energy Management Results
	6 Conclusion
	References
A High Pulse Power and Efficiency Integrated Supercapacitor Energy Package
	1 Introduction
	2 Design of Supercapacitor
		2.1 Method of Selecting and Combining Monomers
		2.2 Design of Series Voltage Equalization
	3 Principle and Design of Bidirectional Buck/Boost Circuit
		3.1 Design of Passive Components
		3.2 Design of Drive Circuit
	4 Experimental Verification
		4.1 Experimental Platform
		4.2 Experimental Waveform
	5 Conclusion
	References
Research on Improving the Elman Neural Network for the INS/GNSS Integrated Velocity and Positioning Algorithm
	1 Introduction
		1.1 A Subsection Sample
	2 System Model
		2.1 Elman-Assisted Combined Navigation System Structure Design
		2.2 The INS/GNSS Combined Positioning System
	3 Methodology
		3.1 Overview of Elman Neural Network
		3.2 Improved Artificial Bee Colony (IABC) Algorithm
	4 Simulation Experiments and Result Analysis
	5 Conclusion
	References
Calculation of Air Gap Electromagnetic Field of High-Speed Magnetic Levitation Linear Motor Based on Equivalent Current Layer
	1 Introduction
	2 Equivalent Current Layer Model of Motor
		2.1 Structure of Motor
		2.2 Equivalent Current Layer Method
	3 Analytical Model
		3.1 Solving for Equivalent Current Layer Current Density
		3.2 Derivation of Analytic Expressions
	4 Calculation of Air Gap Magnetic Field
		4.1 Air Gap Magnetic Field
		4.2 Effect of Equivalent Current Sheets
		4.3 Validation of Results
	5 Conclusion
	References
Author Index